Best Full-Length Horror & Sci-Fi Movies Free on YouTube (English Versions)

Horror and science fiction are the two richest genres on YouTube. Between iconic public-domain masterpieces and full-length genre gems uploaded legally by distributors in English, you can put together an unforgettable movie night without paying a cent.

Here is our verified selection of full movies in English, complete with running times and direct watch links.

1. Full-Length Horror Movies Free in English

Turn off the lights, put on headphones and press play on these full English-language horror films.

• Night of the Living Dead (1968, 1h36 · Full Movie in English) : George A. Romero's landmark zombie classic. Seven strangers barricade themselves inside a rural Pennsylvania farmhouse as the dead rise. 👉 Watch Night of the Living Dead (Full Movie in English) on YouTube
• Grave Encounters (2011, 1h32 · Full Movie in English) : The crew of a ghost-hunting reality show locks themselves inside an abandoned psychiatric hospital overnight. One of the scariest found-footage films of the 2010s. 👉 Watch Grave Encounters (Full Movie in English) on YouTube
• House on Haunted Hill (1959, 1h15 · Full Movie in English) : Vincent Price plays an eccentric millionaire who offers five guests $10,000 each if they can survive one night in a haunted mansion. 👉 Watch House on Haunted Hill (Full Movie in English) on YouTube

2. Mind-Bending Sci-Fi Full Movies in English

For evenings when you want high-concept science fiction and atmospheric world-building.

• Coherence (2013, 1h29 · Full Movie in English) : On the night a comet passes close to Earth, eight friends at a dinner party experience a terrifying chain of reality-splitting events. 👉 Watch Coherence (Full Movie in English) on YouTube
• Screamers (1995, 1h48 · Full Movie in English) : Based on Philip K. Dick's short story Second Variety. On a war-torn mining planet, self-replicating underground blades begin evolving into human form. 👉 Watch Screamers (Full Movie in English) on YouTube
• The Last Man on Earth (1964, 1h26 · Full Movie in English) : The first adaptation of Richard Matheson's novel I Am Legend, starring Vincent Price as the lone survivor of a global plague. 👉 Watch The Last Man on Earth (Full Movie in English) on YouTube

Quick Tip Before Pressing Play

Scrub to the 15-minute mark before settling in: it takes 3 seconds to confirm the English audio track is clean and that the upload is the complete movie from start to credits.